CN217307213U - Indoor transformer substation strain insulator-string and have its transmission line - Google Patents

Abstract

The utility model belongs to the technical field of power equipment, specifically disclose indoor transformer substation's strain insulator-string and transmission line, indoor transformer substation's strain insulator-string includes mounting, first ring, the second ring sum coupling assembling, and in the one end of mounting was suitable for stretching into the wall, first ring included first end and second end, and the first end of first ring links to each other with the other end of mounting, and the second ring includes first end and second end, and the second end of first ring links to each other with the first end pin joint of the second ring, and coupling assembling links to each other with the second end of the second ring, and coupling assembling is used for connecting wire. The utility model discloses an indoor transformer substation's strain insulator-string can improve the structural strength of strain insulator-string, improves the life of gold utensil, and then improves the security of transmission line operation.

Description

Indoor transformer substation strain insulator-string and have its transmission line

Technical Field

The utility model relates to a power equipment technical field, concretely relates to indoor transformer substation's strain insulator-string and transmission line.

Background

The tension string in the overhead transmission line is used for dragging and fixing the transmission ground wire on a tension tower or a transformer substation framework, and is an important hardware string type in the transmission line. The outgoing line framework of the indoor transformer substation is a wall of a building, the hanging points of the strain insulator-strings are reinforcing steel bars which are folded into a ring shape, and the connecting mode at the hanging points is plate-ring connection.

SUMMERY OF THE UTILITY MODEL

The present invention is made based on the discovery and recognition by the inventors of the following facts and problems:

the related technology discloses a wire tension string, which comprises a U-shaped ring, a connecting hardware fitting, an insulator, a connecting hardware fitting and a tension clamp, wherein an opening and a bolt of the U-shaped ring face forwards, an outgoing line framework of an indoor transformer substation is a wall of a building, a hanging point of the tension string is a steel bar which is folded into a ring shape, and the connecting mode at the hanging point is plate-ring connection. However, the inventor of the present application finds that the plate-ring connection may cause uneven stress conditions of the hardware, and the bolt of the U-shaped ring and the steel bar of the framework are easily worn and cannot flexibly rotate in two orthogonal directions, which is not beneficial to the safe operation of the power transmission line.

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides an indoor transformer substation's strain insulator-string can improve the structural strength of strain insulator-string, improves the life of gold utensil, and then improves the security of transmission line operation.

The embodiment of the utility model provides a transmission line has still been provided.

The utility model discloses indoor transformer substation strain insulator-string, include: the fixing piece is suitable for extending into the wall body at one end; a first ring, the first ring including a first end and a second end, the first end of the first ring being connected to the other end of the fixture; the second ring comprises a first end and a second end, and the second end of the first ring is pivoted with the first end of the second ring; a connection assembly connected to the second end of the second ring, the connection assembly for connecting a wire.

The utility model discloses indoor transformer substation's strain insulator-string can improve the structural strength of strain insulator-string, improves the life of gold utensil, and then improves the security of transmission line operation.

In some embodiments, the indoor substation strain insulator-string further comprises an adjusting plate, one end of the adjusting plate is pivotally connected to the second end of the first ring, and the other end of the adjusting plate is pivotally connected to the first end of the second ring.

In some embodiments, the adjusting plate is provided with a plurality of connecting holes, and the plurality of connecting holes are arranged at intervals along the circumferential direction of the adjusting plate.

In some embodiments, coupling assembling includes first connecting component, insulator string, second connecting component and strain clamp, the one end of first connecting component with the second end of second ring links to each other, the other end of first connecting component with the one end of insulator string links to each other, the other end of insulator string with the one end of second connecting component links to each other, the other end of second connecting component with the one end of strain clamp links to each other, the other end of strain clamp is suitable for and links to each other with the wire.

In some embodiments, the first connecting member includes a third ring having one end connected to the second ring second end, the other end of the third ring connected to one end of the first plate, and a first plate having the other end connected to one end of the insulator string.

In some embodiments, the second connecting part comprises a fourth ring and a second plate, one end of the second plate is connected with the other end of the insulator string, the other end of the second plate is connected with one end of the fourth ring, and the other end of the fourth ring is connected with the strain clamp.

In some embodiments, the number of the insulator strings is plural, a plurality of the insulator strings are respectively provided between the first connection part and the second connection part, and the plurality of the insulator strings are arranged in parallel with each other.

In some embodiments, the indoor substation strain insulator string further comprises a plurality of third connecting parts, the third connecting parts are connected with the insulator strings in a one-to-one correspondence manner, each of the third connecting parts comprises a third plate and a fourth plate, one end of the third plate is connected with the first plate, the other end of the third plate is connected with one end of the insulator string, one end of the fourth plate is connected with the other end of the insulator string, and the other end of the fourth plate is connected with the second plate.

In some embodiments, the indoor substation strain string further comprises an extension ring. One end of the extension ring is connected with the second end of the second ring, and the other end of the extension ring is connected with the third ring.

The utility model discloses transmission line, include: a wire; the strain insulator-string, strain insulator-string one end is suitable for and links to each other with the wall body, the other end of strain insulator-string is suitable for and links to each other with the wire, the strain insulator-string be above-mentioned any embodiment indoor transformer substation strain insulator-string.

The utility model discloses transmission line can improve the life of wire link fitting, and then improves the stability and the security of transmission line operation.

Drawings

Fig. 1 is the utility model discloses indoor transformer substation strain insulator-string's structural schematic.

Fig. 2 is a schematic top view of the indoor substation strain string shown in fig. 1.

Fig. 3 is the utility model discloses coupling assembling's in indoor transformer substation strain insulator string structural schematic.

Fig. 4 is a schematic structural diagram of an indoor substation strain insulator-string according to another embodiment of the present invention.

Fig. 5 is a schematic top view of the indoor substation strain string shown in fig. 4.

Reference numerals:

the fixing part (1) is provided with a fixing part,

the first ring 2, the first end 21 of the first ring, the second end 22 of the first ring,

the second ring 3, the first end 31 of the second ring, the second end 32 of the second ring,

the connecting assembly 4 is connected with the connecting component,

the first connecting member 41, the third ring 411, the first plate 412,

the insulator string 42 is provided with a plurality of insulator strings,

a second connecting member 43, a fourth ring 431, a second plate 432, a fifth plate 433, an adjusting plate 434,

the strain clamp 44 is provided with a strain clamp,

the adjustment plate 5, the connection hole 51,

third connecting part 6, third plate 61, fourth plate 62, fifth ring 63, extension ring 7, wire 8.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the utility model discloses indoor transformer substation strain insulator-string includes mounting 1, first ring 2, the second ring 3 and coupling assembling 4.

One end of the fixing member 1 is adapted to extend into a wall body.

The first loop 2 comprises a first end 21 (the left end of the first loop 2 as shown in fig. 1) and a second end 22 (the right end of the first loop 2 as shown in fig. 1), the first end 21 of the first loop being connected to the other end of the anchor.

Specifically, as shown in fig. 1, the left end of the fixing member 1 extends into the wall body, it should be noted that the left end of the fixing member 1 is suitable for being connected with an indoor substation, the right end of the fixing member 1 at least partially extends out of the wall body, and one end of the fixing member extending out of the wall body is of a ring structure. The first end 21 of the first ring is of an annular structure and is closed, the second end 22 of the first ring is provided with an opening, and the first end 21 of the first ring is connected with the right end of the fixing member 1.

The second ring 3 includes a first end 31 (shown as the left end of the second ring 3 in fig. 1) and a second end 32 (shown as the right end of the second ring 3 in fig. 1), the second end 22 of the first ring being pivotally connected to the first end 31 of the second ring.

Specifically, as shown in fig. 1 and fig. 2, the left end of the second ring 3 has an opening, the right end of the second ring 3 is an annular structure and is closed, and the first end 31 of the second ring is pivotally connected to the second end 22 of the first ring through a bolt. It should be noted that the first end 31 of the second ring and the second end 22 of the first ring may also be pivotally connected by a connecting pin.

The first ring 2 and the second ring 3 can be both U-shaped suspension loops.

One end of the connecting member 4 is connected to the second end 32 of the second ring and the other end of the connecting member 4 is used for connecting the conductor 8.

In particular, as shown in fig. 1 and 2, the left end of the connecting assembly 4 is connected to the right end 32 of the second ring, the right end of the connecting assembly 4 being adapted to be connected to a conductor 8.

The utility model discloses indoor transformer substation's strain insulator-string is equipped with first ring 2 and second ring 3, and the pin joint of first ring 2 and second ring 3, thereby make strain insulator-string and indoor transformer substation replacement be connected for the loop type, the connection form that ring and ring are connected promptly, and then compare in the strain insulator-string of correlation technique and the indoor transformer substation adoption board and the connected mode of ring compare, make the strain insulator-string more add the flexibility for the rotation of indoor transformer substation, stress concentration between strain insulator-string and the indoor transformer substation has been avoided, the stress condition of whole strain insulator-string has been improved, the wearing and tearing of indoor transformer substation and strain insulator-string junction have been reduced, the life of strain insulator-string has been improved, and then the security of transmission line operation has been improved.

In some embodiments, the indoor substation strain insulator-string further comprises an adjustment plate 5, one end of the adjustment plate 5 is pivotally connected to the second end 22 of the first ring, and the other end of the adjustment plate 5 is pivotally connected to the first end 31 of the second ring. The second end 32 of the second ring is connected to the left end of the third ring 411, the left end of the third ring 411 is of a ring structure and is closed, and the right end of the third ring 411 has an opening.

It should be noted that the left end of the adjusting plate 5 and the second end 22 of the first ring and the right end of the adjusting plate 5 and the first end 31 of the second ring may also be pivotally connected by a connecting pin.

Specifically, as shown in fig. 1, the left end of the adjusting plate 5 is pivotally connected to the second end 22 of the first ring through a bolt, the right end of the adjusting plate 5 is pivotally connected to the first end 31 of the second ring through a bolt, the second end 22 of the first ring can rotate in the front-back direction shown in fig. 2 relative to the adjusting plate 5, and the first end 31 of the second ring can rotate in the front-back direction shown in fig. 2 relative to the adjusting plate 5, so that stress concentration of the tension string is avoided, the stress condition of the tension string is improved, the abrasion of the joint of the indoor substation and the tension string is reduced, the service life of the tension string is prolonged, and the operation safety of the power transmission line is improved.

In some embodiments, the adjustment plate 5 is provided with a plurality of connection holes 51, and the plurality of connection holes 51 are arranged at intervals along the circumferential direction of the adjustment plate 5. The right end of the adjusting plate 5 is pivoted with the second ring 3, and it should be noted that the right end of the adjusting plate 5 and the first end 31 of the second ring can also be pivoted through a connecting pin shaft.

Specifically, as shown in fig. 2, the plurality of connection holes 51 are disposed adjacent to one side of the second ring 3, and the plurality of connection holes 51 are disposed at regular intervals in the circumferential direction of the adjustment plate 5, it is understood that the plurality of connection holes 51 may also be disposed adjacent to one side of the first ring 2, or the plurality of connection holes 51 may be disposed adjacent to both one side of the first ring 2 and one side of the second ring 3.

The first end 31 of the second ring is coupled to any one of the plurality of coupling holes 51 by a bolt.

The utility model discloses indoor transformer substation's strain insulator-string is equipped with a plurality of connecting holes 51, and first ring 2 links to each other with a plurality of connecting holes 51 to arbitrary one, and arbitrary one links to each other in second ring 3 and a plurality of connecting holes 51 to adjust the first ring 2 and the second ring 3's spacing distance, in order to be suitable for different application environment, improve the application range of strain insulator-string.

In some embodiments, the connection assembly 4 includes a first connection part 41, an insulator string 42, a second connection part 43, and a strain clamp 44, one end of the first connection part 41 being connected to one end of the second ring 3, the other end of the first connection part 41 being connected to one end of the insulator string 42, the other end of the insulator string 42 being connected to one end of the second connection part 43, the other end of the second connection part 43 being connected to one end of the strain clamp 44, the other end of the strain clamp 44 being adapted to be connected to the wire 8.

Specifically, as shown in fig. 3, the left end of the first connecting component 41 is connected to the second end 32 of the second ring, the right end of the first connecting component 41 is connected to the left end of the insulator string 42, the right end of the insulator string 42 is connected to the left end of the second connecting component 43, the right end of the second connecting component 43 is connected to the left end of the strain clamp 44, the right end of the strain clamp 44 is suitable for being connected to the wire 8, and the wire 8 at least partially extends into the strain clamp 44 and is connected to the strain clamp 44.

The utility model discloses indoor transformer substation strain insulator-string is equipped with first adapting unit 41, can improve insulator string 42 and the connection stability between the indoor transformer substation, is equipped with second adapting unit 43, can improve the connection stability between wire 8 and insulator string 42.

In some embodiments, the first connecting member 41 includes a third ring 411 and a first plate 412, one end of the third ring 411 is connected to one end of the second ring 3, the other end of the third ring 411 is connected to one end of the first plate 412, and the other end of the first plate 412 is connected to one end of the insulator string 42.

It should be noted that the third ring 411 may be a U-shaped suspension ring, and it is understood that the third ring 411 may also be another type of hardware connection ring. The first plate 412 is a triangular plate, and it should be noted that the first plate 412 may be other connecting plates in the prior art.

Specifically, as shown in fig. 3, the left end of the third ring 411 is of an annular structure and is closed, the left end of the third ring 411 is connected to the right end of the second ring 3, the right end of the third ring 411 is provided with an opening, and the right end of the third ring 411 is connected to the left end of the first plate 412 by a bolt. The right end of the first plate 412 is connected to the left end of the insulator string 42.

The utility model discloses indoor transformer substation's strain insulator-string is equipped with third ring 411, can improve the atress of strain insulator-string, avoids strain insulator-string stress concentration to appear, is equipped with first board 412, can improve insulator string 42 connection stability to improve the stability and the security of transmission line operation.

In some embodiments, the second connecting member 43 includes a fourth ring 431 and a second plate 432, one end of the second plate 432 is connected to one end of the insulator string 42, the other end of the second plate 432 is connected to one end of the fourth ring 431, and the other end of the fourth ring 431 is connected to the strain clamp 44.

It should be noted that the fourth ring 431 may be a U-shaped suspension ring, and it is understood that the fourth ring 431 may also be another type of hardware connection ring. The second plate 432 may be a triangular plate, and it should be noted that the second plate 432 may also be another connecting plate in the prior art.

Specifically, as shown in fig. 3, the left end of the fourth ring 431 has an opening, the right end of the fourth ring 431 has a ring structure and is closed, and the left end of the fourth ring 431 is connected to the right end of the second plate 432 through a bolt, it can be understood that the left end of the fourth ring 431 is also connected to the right end of the second plate 432 through a connecting pin. The left end of the second plate 432 is connected to the right end of the insulator string 42.

The utility model discloses indoor transformer substation's strain insulator-string is equipped with fourth ring 431, can improve the stability that 8 wires are connected, is equipped with second board 432, can improve insulator string 42 connection stability to improve the stability and the security of transmission line operation.

In some embodiments, the number of the insulator strings 42 is plural, plural insulator strings 42 are respectively provided between the first connection part 41 and the second connection part 43, and the plural insulator strings 42 are arranged in parallel with each other.

Specifically, as shown in fig. 3, the number of the insulator strings 42 may be two, the two insulator strings 42 have the same structure, and the two insulator strings 42 are respectively disposed between the first plate 412 and the second plate 432, and the two insulator strings 42 are arranged at intervals in the front-rear direction shown in fig. 3 and are parallel to each other.

The utility model discloses indoor transformer substation's strain insulator-string is equipped with a plurality of insulator strings 42, can improve the stability and the security of transmission line operation.

In some embodiments, the connection assembly 4 further includes a plurality of third connection parts 6, the plurality of third connection parts 6 are connected to the plurality of insulator strings 42 in a one-to-one correspondence, each of the plurality of third connection parts includes a third plate 61 and a fourth plate 62, one end of the third plate 61 is connected to the first plate 412, the other end of the third plate 61 is connected to one end of the insulator string 42, one end of the fourth plate 62 is connected to the other end of the insulator string 42, and the other end of the fourth plate 62 is connected to the second plate 432.

It should be noted that the third plate 61 and the fourth plate 62 are parallel hanging plates, and the dimension of the third plate 61 in the left-right direction is the same as the dimension of the fourth plate 62 in the left-right direction, and it is understood that the dimension of the third plate 61 in the left-right direction may be different from the dimension of the fourth plate 62 in the left-right direction.

Specifically, as shown in fig. 3, the left end of the third plate 61 is pivotally connected to the right end of the first plate 412, the right end of the third plate 61 is pivotally connected to the left end of the insulator string 42, the left end of the fourth plate 62 is pivotally connected to the right end of the insulator string 42, and the right end of the fourth plate 62 is pivotally connected to the left end of the second plate 432.

The number of the third connecting parts 6 is the same as that of the insulator strings 42, and the number of the third connecting parts 6 is two, and the two third connecting parts 6 are correspondingly connected with the two insulator strings 42 one by one. The two third connecting members 6 are arranged at intervals in the front-rear direction and parallel to each other.

The utility model discloses indoor transformer substation's strain insulator-string is equipped with a plurality of third adapting unit 6, a plurality of third adapting unit 6 and a plurality of insulator string 42 one-to-one, and a plurality of insulator string 42 are parallel to each other, can improve the security of transmission line operation.

In some embodiments, the indoor substation strain string further comprises an extension ring 7, one end of the extension ring 7 being connected to the second end 32 of the second ring, and the other end of the extension ring 7 being connected to the third ring 411.

Specifically, as shown in fig. 3, the extension ring 7 has a race track shape, and both left and right ends of the extension ring 7 are closed. The left end of the extension ring 7 is connected to the right end of the second ring 3, and the right end of the extension ring 7 is connected to the left end of the third ring 411.

The utility model discloses indoor transformer substation's strain insulator-string is equipped with extension ring 7, can adjust strain insulator-string length, changes insulator string 42's direction.

In some embodiments, the third plates 61 are all right-angle hanging plates, the fourth plates 62 are socket-head hanging plates, the second plates 432 are square connecting plates, the third connecting part 6 further includes a fifth ring 63, the fifth ring 63 is a ball-head hanging ring, one end of the fifth ring 63 is connected to the third plates 61, the other end of the fifth ring 63 is connected to one end of the insulator string 42, the other end of the insulator string 42 is connected to one end of the fourth plates 62, and the other end of the fourth plates 62 is connected to one end of the second plates 432.

Specifically, as shown in fig. 4, the left end of the fifth ring 63 is a ring-shaped closed structure, and the right end of the fifth ring 63 is a ball head structure. The left end of the fifth ring 63 is connected to the right end of the third plate 61, the right end of the fifth ring 63 is connected to the left end of the insulator string 42, the left end of the fourth plate 62 is connected to the right end of the insulator string 42, and the right end of the fourth plate 62 is connected to the left end of the second plate 432.

The utility model discloses indoor transformer substation's strain insulator-string is equipped with fifth ring 63, can improve the security of transmission line operation.

In some embodiments, the second connecting member 43 further includes a fifth plate 433 and an adjusting plate 434, one end of the fifth plate 433 is connected to the second plate 432, the other end of the fifth plate 433 is connected to one end of the adjusting plate 434, the other end of the adjusting plate 434 is connected to a fourth ring 431, the other end of the fourth ring 431 is connected to the strain clamp 44, and the other end of the strain clamp 44 is adapted to be connected to the lead 8.

Specifically, as shown in fig. 4, the left end of the fifth plate 433 is connected to the right end of the second plate 432, the right end of the fifth plate 433 is pivotally connected to the left end of the adjustment plate 434, the right end of the adjustment plate 434 is pivotally connected to the left end of the fourth ring 431, the right end of the fourth ring 431 is connected to the left end of the strain clamp 44, and the right end of the strain clamp 44 is suitable for being connected to the wire 8.

It should be noted that the left end of the adjusting plate 434 and the right end of the fifth plate 433, and the right end of the adjusting plate 434 and the left end of the fourth ring 431 may also be pivotally connected by a connecting pin. Fifth plate 433 may be a right angle clevis.

When the wire 8 is swung by wind, the adjustment plate 434 swings up and down (as shown in fig. 4) with respect to the fifth plate 433. Thereby avoid the strain insulator-string to take place stress concentration, improved the atress condition of strain insulator-string, improved the life of strain insulator-string, and then improve the security of transmission line operation.

In some embodiments, the adjustment plate 434 is provided with a plurality of connection holes, and the plurality of connection holes are arranged at intervals along the circumferential direction of the adjustment plate 434. A plurality of connection holes are disposed at a side adjacent to the fourth ring 431. The left end of the adjusting plate 434 is pivotally connected to the right end of the fifth plate 433, and the right end of the adjusting plate 434 is pivotally connected to the left end of the fourth ring 431.

Specifically, as shown in fig. 4, the plurality of connection holes are uniformly spaced along the circumferential direction of the adjustment plate 434, and it is understood that the plurality of connection holes may also be disposed adjacent to one side of the fifth plate 433, or disposed adjacent to both the side of the fifth plate 433 and the side adjacent to the fourth ring 431.

The left end of the fourth ring 431 is coupled to any one of the plurality of coupling holes by a bolt.

The utility model discloses indoor transformer substation's strain insulator-string is equipped with a plurality of connecting holes on the adjusting plate 434, and in fourth ring 431 and a plurality of connecting holes any one link to each other, in fifth plate 433 and a plurality of connecting holes any one link to each other to the spacing distance of fourth ring 431 and fifth plate 433 is adjusted, in order to be suitable for different application environment, improves the application range of strain insulator-string.

The utility model discloses indoor transformer substation strain insulator-string of embodiment is described below with reference to fig. 1 to 5.

As shown in fig. 1 to 3, the tension string for the indoor substation includes a first ring 2, an adjusting plate 5, a second ring 3, a connecting assembly 4, an extension ring 7, and a wire 8. Where the two insulator strings 42 shown in fig. 3 are parallel to each other, it will be appreciated that the number of insulator strings 42 is greater than two, and may be three or four, for example; the first plate 412 and the second plate 432 may be triangular yoke plates;

as shown in fig. 1, the fixing member 1 is connected to the first end 21 of the first ring, the second end 22 of the first ring is pivotally connected to the first end 31 of the second ring, and it should be noted that the first ring 2 and the second ring 3 may also be connected by adding the adjusting plate 5; the second ring second end 32 is connected with the left end of the third ring 411, and the second ring 3 can be connected with the third ring 411 by adding an extension ring 7.

As shown in fig. 3, the right end of the third ring 411 is pivotally connected to the left end of the first plate 412, the right end of the first plate 412 is pivotally connected to the left end of the third plate 61, the right end of the third plate 61 is pivotally connected to the left end of the insulator string 42, the insulator string 42 is disposed between the first connecting part 41 and the second connecting part 43, and the insulator strings 42 are arranged in parallel with each other. The right end of the insulator string 42 is connected with the left end of the fourth plate 62, the right end of the fourth plate 62 is connected with the left end of the second plate 432, the right end of the second plate 432 is connected with the left end of the fourth ring 431, the right end of the fourth ring 431 is connected with the left end of the strain clamp 44, and the right end of the strain clamp 44 is connected with the lead 8.

Further embodiments of indoor substation strain insulator-strings of the present invention are described below with reference to fig. 4 and 5.

As shown in fig. 4 and 5, the indoor substation strain insulator-string includes a first ring 2, an adjusting plate 5, a second ring 3, a connecting assembly 4, an extension ring 7, and a wire 8.

The indoor substation strain insulator-string shown in fig. 4 and 5 is different from the indoor substation strain insulator-string shown in fig. 1 and 2 in that a fifth ring 63, a fifth plate 433 and an adjusting plate 434 are further included, and the third plate 61 is a right-angle hanging plate, the fourth plate 62 is a socket hanging plate, and the second plate 432 is a square connecting plate. The other structures of the indoor substation strain insulator string shown in fig. 4 and 5 may be the same as those of the embodiment shown in fig. 1 and 2, and will not be described in detail herein, except that as shown in fig. 4 to 5, the left end of the fifth ring 63 is connected to the right end of the third plate 61, the right end of the fifth ring 63 is connected to the left end of the insulator string 42, the left end of the fourth plate 62 is connected to the right end of the insulator string 42, the right end of the fourth plate 62 is connected to the left end of the second plate 432, the left end of the fifth plate 433 is connected to the right end of the second plate 432, the right end of the fifth plate 433 is pivotally connected to the left end of the adjustment plate 434, the right end of the adjustment plate 434 is pivotally connected to the left end of the fourth ring 431, the right end of the fourth ring 431 is connected to the left end of the strain insulator clip 44, and the right end of the strain insulator clip 44 is adapted to connect with the wire 8.

The operation of the indoor substation strain insulator-string according to the embodiment of the present invention is described below with reference to fig. 1 to 3.

Connecting the first end 21 of the first ring with the fixing member 1, pivotally connecting the second end 22 of the first ring with the left end of the adjusting plate 5 through a bolt, pivotally connecting the first end 31 of the second ring with the right end of the adjusting plate 5, then connecting the left end of the connecting assembly 4 with the second end 32 of the second ring, and penetrating the conductor 8 into the strain clamp 44 in the connecting assembly 4, thereby completing the connection of the conductor 8 with the indoor substation.

Because the second end 22 of the first ring is pivoted with the left end of the adjusting plate 5, and the first end 31 of the second ring is pivoted with the right end of the adjusting plate 5, the first ring 2 can rotate relative to the adjusting plate 5, the second ring 3 can rotate relative to the adjusting plate 5, when the wire 8 swings, the rotation between the first ring 2 and the adjusting plate 5 and the rotation between the second ring 3 and the adjusting plate 5 can offset the swing of the wire 8, certainly, when the wire 8 swings, the first ring 2 can swing relative to the fixing piece 1, thereby avoiding the frictional wear between the first ring 2 and the fixing piece 1, improving the overall stress of the tension string, and prolonging the service life of the tension string.

The utility model discloses transmission line, including wire 8 and strain insulator-string, strain insulator-string one end is suitable for and links to each other with the wall body, and the other end of strain insulator-string is suitable for and links to each other with wire 8, and the strain insulator-string is the indoor transformer substation strain insulator-string of any above-mentioned embodiment.

The utility model discloses transmission line because of adopting the indoor strain insulator-string of transformer substation of above-mentioned embodiment, can improve the life of wire link fitting, and then improve the stability and the security of transmission line operation.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (9)

1. The utility model provides an indoor transformer substation strain insulator-string which characterized in that includes:

the fixing piece is suitable for extending into the wall body at one end;

the first ring comprises a first end and a second end, and the first end of the first ring is connected with the other end of the fixing piece;

the second ring comprises a first end and a second end, and the second end of the first ring is pivoted with the first end of the second ring;

a connection assembly connected to the second end of the second ring, the connection assembly for connecting a wire,

coupling assembling includes first connecting part, insulator string, second adapting unit and strain clamp, the one end of first connecting part with the second end that the second is dicyclo links to each other, the other end of first connecting part with the one end of insulator string links to each other, the other end of insulator string with the one end of second adapting unit links to each other, the other end of second adapting unit with the one end of strain clamp links to each other, the other end of strain clamp is suitable for and links to each other with the wire.

2. The indoor substation strain insulator-string of claim 1, further comprising an adjustment plate, one end of the adjustment plate being pivotally connected to the second end of the first ring, the other end of the adjustment plate being pivotally connected to the first end of the second ring.

3. The indoor substation strain insulator-string of claim 2, wherein a plurality of connecting holes are provided on the adjusting plate, and the plurality of connecting holes are arranged at intervals along the circumferential direction of the adjusting plate.

4. The indoor substation strain insulator string of claim 1, wherein the first connecting member comprises a third ring and a first plate, one end of the third ring being connected to the second end of the second ring, the other end of the third ring being connected to one end of the first plate, the other end of the first plate being connected to one end of the insulator string.

5. The indoor substation strain insulator string of claim 4, wherein the second connecting member comprises a fourth ring and a second plate, one end of the second plate is connected with the other end of the insulator string, the other end of the second plate is connected with one end of the fourth ring, and the other end of the fourth ring is connected with the strain insulator clip.

6. The indoor substation strain insulator-string according to claim 5, wherein the insulator string is a plurality of insulator strings, the plurality of insulator strings are respectively provided between the first connecting part and the second connecting part, and the plurality of insulator strings are arranged in parallel with each other.

7. The indoor substation strain insulator string according to claim 6, further comprising a plurality of third connecting parts, wherein the plurality of third connecting parts are connected with the plurality of insulator strings in a one-to-one correspondence manner, each of the plurality of third connecting parts comprises a third plate and a fourth plate, one end of the third plate is connected with the first plate, the other end of the third plate is connected with one end of the insulator string, one end of the fourth plate is connected with the other end of the insulator string, and the other end of the fourth plate is connected with the second plate.

8. The indoor substation strain insulator-string of any one of claims 5-7, further comprising an extension ring, one end of the extension ring connected to the second end of the second ring and the other end of the extension ring connected to the third ring.

9. An electric transmission line, characterized in that it comprises: a wire; the strain insulator-string, the strain insulator-string one end is suitable for linking with the wall body, the other end of strain insulator-string is suitable for linking with the wire, the strain insulator-string is the indoor transformer substation strain insulator-string of any one of claims 1-8.

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